Battery swapping method

Abstract

A battery swapping method, comprising: taking out a battery pack having insufficient electricity from an electric vehicle and placing the battery pack at a first position; overturning the taken-out battery pack having insufficient electricity to a second position from the first position in a first direction; putting the battery pack insufficient electricity located at the second position into a charging compartment for charging and/or taking out a battery pack having full electricity from the charging compartment and placing the battery pack having full electricity at a third position, overturning the taken-out battery pack having full electricity to a forth position from the third position in a second direction; and putting the battery pack having full electricity located at the forth position into the electric vehicle. The battery swapping method simplify battery swapping process and increasing battery swapping speed.

1 . A battery swapping method, characterized in that, the battery swapping method comprises:
 taking out an insufficient electricity battery pack from an electric vehicle and place it at a first position;   overturning the taken-out insufficient electricity battery pack from the first position along a first direction to a second position;   putting the insufficient electricity battery pack located at the second position into the charging compartment for charging, and/or taking out a full electricity battery pack from the charging compartment and place it at a third position;   overturning the taken-out full electricity battery pack from the third position along a second direction to a fourth position;   placing the full electricity battery pack located at the fourth position into the electric vehicle.   
     
     
         2 . The battery swapping method as claimed in  claim 1 , characterized in that the battery swapping method realizes the overturning of the insufficient electricity battery pack or the full electricity battery pack by providing an overturning mechanism, wherein,
 taking out the insufficient electricity battery pack from the electric vehicle and placing it at the first position comprising: taking out the insufficient electricity battery pack from the electric vehicle and placing it at the first position on the overturning mechanism;   or, taking out the full electricity battery pack from the charging compartment and placing it at the third position comprises: taking out the full electricity battery pack from the charging compartment and placing it at the third position of the overturning mechanism.   
     
     
         3 . The battery swapping method as claimed in  claim 2 , characterized in that the battery pack is taken and placed from the electric vehicle or the charging compartment by providing a battery taking and placing mechanism; wherein,
 taking out the insufficient electricity battery pack from the electric vehicle at the first position comprising: controlling the battery taking and placing mechanism to remove the insufficient electricity battery pack from the electric vehicle and to place it at the first position on the overturning mechanism;   or, taking out the full electricity battery pack from the charging compartment and placing it at the third position comprises: controlling the battery taking and placing mechanism to remove the full electricity battery pack from the charging compartment and to place it at the third position of the overturning mechanism.   
     
     
         4 . The battery swapping method as claimed in  claim 2 , characterized in that by providing an extending mechanism on the overturning mechanism for taking and placing the battery pack on the electric vehicle or charging compartment; wherein,
 taking out the insufficient electricity battery pack from the electric vehicle and placing it at the first position comprising: controlling the extending mechanism to extend towards the direction of the electric vehicle; controlling the extending mechanism to lift the insufficient electricity battery pack in the electric vehicle; and controlling the extending mechanism to draw back so that the insufficient electricity battery pack reaches the first position on the overturning mechanism;   or, taking out the full electricity battery pack from the charging compartment and placing it at the third position comprises: controlling the extending mechanism to extend towards the direction of the charging compartment; controlling the extending mechanism to lift the full electricity battery pack in the charging compartment and controlling the extending mechanism to draw back so that the full electricity battery pack reaches the third position on the overturning mechanism.   
     
     
         5 . The battery swapping method as claimed in  claim 2 , characterized in that controlling the taken out insufficient electricity battery pack to overturn from the first position along the first direction to the second position comprising:
 determining whether the battery pack is at the first position,   if yes, then controlling the overturning mechanism to overturn the insufficient electricity battery pack in the first direction;   determining whether the battery pack has reached the second position;   if yes, then controlling the overturning mechanism to stop overturning the insufficient electricity battery pack.   
     
     
         6 . The battery swapping method as claimed in  claim 5 , characterized in that the overturning mechanism comprises a first overturning part and a second overturning part, the first overturning part is used for bearing the battery pack at the first position or the fourth position, the second overturning part is used for bearing the battery pack at the second position or the third position, the first overturning part and the second overturning part being set perpendicular to each other. 
     
     
         7 . The power change method as claimed in  claim 5 , characterized in that the overturning mechanism comprises the first overturning part and the second overturning part, the first overturning part is used for bearing the battery pack at the first position or the fourth position, and the second overturning part is used for bearing the battery pack at the second position or the third position, wherein the battery swapping method further comprises:
 detecting whether the first overturning part and the second overturning part are rotated in place, and starting to move the battery pack if they are rotated in place, or continuing to rotate if they are not;   and/or detecting whether the battery pack moves in place on the first overturning part or the second overturning part, and if it does, start rotating the first overturning part or the second overturning part, or continuing to move if it does not move in place.   
     
     
         8 . The battery swapping method as claimed in  claim 2 , characterized in that the charging compartment is provided with a floating dish for bearing the battery and an electrical connector for forming an electrical connection with the battery pack for charging and discharging the battery pack, and placing the insufficient electricity battery pack at the second position into the charging compartment for charging comprising:
 moving the insufficient electricity battery pack into the floating dish in the charging compartment;   controlling the movement of the electrical connector in the direction towards the insufficient electricity battery pack and forming the electrical connection.   
     
     
         9 . The battery swapping method as claimed in  claim 8 , characterized in that a linkage mechanism is provided between the floating dish and the electrical connector, the floating dish can float up and down under the gravity of the battery pack, the linkage mechanism is used to drive the electrical connector in the direction close to the battery or away from the battery when the floating dish floats up and down; placing the insufficient electricity battery pack at the second position into the charging compartment for charging comprising:
 placing the insufficient electricity battery pack on the floating dish in the charging compartment and align the charging port of the battery pack with the electrical connector;   the floating dish floats downward a first displacement under the gravity of the battery;   the linkage mechanism drives the electrical connector to move a second displacement in the direction close to the battery pack and forms the electrical connection with the battery pack.   
     
     
         10 . The battery swapping method as claimed in  claim 9 , characterized in that the floating dish is provided with a reset element, and taking out the full electricity battery pack from the charging compartment and placing it at the third position comprising:
 moving the full electricity battery pack out of the floating dish in the charging compartment and placing it at the third position of the overturning mechanism;   the floating dish floats upwards in the first displacement under the action of the reset element;   the linkage mechanism drives the electrical connector to move the second displacement in the direction away from the battery pack and separate it from the battery pack.   
     
     
         11 . The battery swapping method as claimed in  claim 9 , characterized in that the second displacement is greater than the first displacement. 
     
     
         12 . The battery swapping method as claimed in  claim 9 , characterized in that the linkage mechanism comprises a sliding mechanism, a first traction member and a second traction member, the first traction member being connected to the sliding mechanism and the floating dish respectively, the second traction member being connected to the electrical connector and a mount respectively, the electrical connector being mounted on the mount and moving relative to the mount, the second traction member is sliding connected to the sliding mechanism. 
     
     
         13 . The battery swapping method as claimed in  claim 12 , characterized in that placing the insufficient electricity battery pack at the second position into the charging compartment for charging comprising:
 moving the insufficient electricity battery pack into the floating dish in the charging compartment;   the first traction member is driven by the floating dish and pulls the sliding mechanism;   the second traction member is driven by the sliding mechanism and pulls the electrical connector;   the electrical connector moves in the direction towards the insufficient electricity battery pack and forms the electrical connection.   
     
     
         14 . The battery swapping method as claimed in  claim 12 , characterized in that taking out the full electricity battery pack from the charging compartment comprises:
 taking out the full electricity battery pack from the floating dish in the charging compartment;   the floating dish floats upwards in the first displacement under the action of the reset element;   the first traction member and the second traction member follow the floating dish and the electrical connector to produce movement;   the electrical connector moves the second displacement in the direction away from the battery pack and separates from the battery pack.   
     
     
         15 . The battery swapping method as claimed in  claim 1 , characterized in that moving the battery pack towards the charging compartment or the electric vehicle when the battery pack is rotated; or moving the battery pack towards the charging compartment or the electric vehicle after rotating the battery pack; or before rotating the battery pack, moving the battery pack in the direction of the charging compartment or the electric vehicle.